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null pointer exception during mock exam

Gc Massri

Joined: May 02, 2010
Posts: 1

Just a I'm very new to the forum.
I just tried for the first time the mock exam at:
and after (the last?) question I got:

Error page Scwcd_Error

An error occured in the bean. Error Message is: null
Stack Trace is :

at com.javaranch.jspbeans.scwcd.QuizBean.execute(
at __jspPage730_carl_scwcd_scwcd_mock_jsp._jspService(
at com.orionserver.http.OrionHttpJspPage.service(.:56)
at com.evermind._cp._vhc(.:5639)
at com.evermind.server.http.JSPServlet.service(.:31)
at com.evermind._deb._lnc(.:514)
at com.evermind._deb._wmb(.:170)
at com.evermind._co._wbb(.:581)
at com.evermind._co._fs(.:189)

Did anybody get this problem before ? I left a couple of question un-answered, could it this be the origin of the exception?

PS: Not sure this is relevant to this forum: please be free to move this into a more appropriated forum.

SCJP 5.0
I agree. Here's the link:
subject: null pointer exception during mock exam
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